It will reduce the amount and even seal the card. Mcc code 5998 is a capping machine for wholesaler industry. At present, this machine is rarely used to swipe credit cards. Mostly used for swiping savings cards. It is recommended to brush less or even not to use credit cards, because this machine makes banks unable to earn the rate of credit card users, and banks will be very unhappy. If they are unhappy, they will reduce their credit cards. Moreover, this machine has no points and no promotion activities.